Zyprexa (generic: olanzapine) is a prescription medication used to treat schizophrenia, bipolar 1 disorder, and depression. Zyprexa belongs to a group of drugs called atypical antipsychotics. The exact way Zyprexa works is unknown, but it is believed to work by altering the activity of certain natural substances in the brain.
This medication comes in tablet form and in a dissolvable tablet form, known as Zyprexa Zydis. Zyprexa is taken once a day, with or without food.
This medication is also available in an injectable form to be given directly into the muscle (IM) by a healthcare professional.
Common side effects of Zyprexa include lack of energy, dry mouth, increased appetite, and tremors.